#include <iostream>
using namespace std;

class Base {
public:
    Base() { cout << "执行基类构造函数\n"; }
};

class Derived : public Base {
public:
    Derived() { cout << "执行派生类构造函数\n"; }
};

int main() {
    Derived TheKind;
    cout << "\n结束\n";
}